BIN Range

A BIN range is a defined block of card numbers assigned to a single issuer, used by payment systems to quickly identify a card's issuing bank, network and country without needing the full card number. Because issuers are allocated entire ranges rather than individual numbers, payment systems can reliably classify any card the moment its first digits are read, well before an authorisation request is even sent. This makes BIN range data one of the most practical, low-latency tools available for routing and risk decisions, particularly for merchants and platforms operating across many card issuers and countries.

What Is a BIN Range?

Card issuers are allocated blocks, or ranges, of BINs by the card networks, rather than a single BIN each. A BIN range covers a continuous set of numbers, such as all cards starting with a particular sequence of digits, that belong to the same issuing bank and typically the same card product or portfolio.

How BIN Ranges Are Assigned

Card networks like Visa and Mastercard manage the allocation of BIN ranges to issuing banks globally, maintaining databases that map each range to the correct issuer, country and card type. Payment processors and gateways use these databases, often licensed or synced regularly, to look up which BIN range a given card falls into before making routing or risk decisions.

Why BIN Ranges Matter for Routing

Because a BIN range identifies the issuing bank and country, it allows a payment orchestration platform to route a transaction to the acquirer or local processing path most likely to be approved by that specific issuer, rather than applying the same routing logic to every card. This is one of the more granular tools available for improving approval rates by market and issuer.

BIN Range and Local Acquiring

Recognising which BIN range a transaction falls into is a key input for local acquiring decisions, since issuers are typically more likely to approve transactions that appear to originate from an acquirer local to the cardholder's country. See global acquirer networks: expand your reach for how this is used at scale.

BIN Range vs Individual BIN

A single BIN identifies one specific issuer and card product, while a BIN range covers the full block of consecutive numbers that issuer has been allocated. In practice, payment systems almost always work with BIN ranges rather than individual BINs, since this is how the underlying card numbering data is actually structured and maintained by the networks.

BIN Range Data Maintenance

Because issuers periodically launch new card products or shift portfolios between ranges, BIN range databases need regular updates to stay accurate. Payment providers that maintain, or subscribe to, well-refreshed BIN range data are better placed to make correct routing and risk decisions than those relying on infrequently updated information.

BIN Range and Multi-Acquirer Strategies

Merchants working with more than one acquirer can use BIN range data to decide which acquirer typically performs best for a given issuer or country, rather than routing every transaction through a single default path. This kind of range-based decision-making is a foundational input for the broader dynamic routing strategies many larger merchants rely on.